N 9th St Air Quality

Monitoring Station · Center City, United States
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 11pm
62
42
42 2am
42
42
42 5am
42
35
35 8am
35
42
42 11am
35
35
— 2pm
—
—
— 5pm
—
—
— 8pm
—
—
CAMS model adj +8
34
54
34
34
34
34
34
34
27
27
27
34
34
27
27

Air Quality Forecast (24h)

PM2.56.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

27
1401 John F Kennedy Blvd
0.9 km PM2.5: 6.4 µg/m³
26
807 Lombard St
1.1 km PM2.5: 6.2 µg/m³
25
315 N 18th St
1.4 km PM2.5: 5.9 µg/m³
23
1358 Ridge Ave, Philadelphia, PA 19123
1.4 km PM2.5: 5.6 µg/m³
25
1901 Walnut St
1.6 km PM2.5: 6.0 µg/m³
30
2100 Pine St
2.0 km PM2.5: 7.2 µg/m³
21
Annin Street, Philadlephia
2.1 km PM2.5: 5.0 µg/m³
27
S Christopher Columbus Blvd
2.1 km PM2.5: 6.4 µg/m³

Nearby Cities

51 Center City 51 Philadelphia 52 Rittenhouse 45 Fishtown 49 Pennsport 51 Wharton 52 Point Breeze 50 University City 46 Hartranft

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T02:10 UTC.